107 Piscium
catalogues and names
catalogues and names | NSV 00600, 107 Psc, HR 493, HD 10476, SAO 74883, BD +19 279, WDS 01425+2016A |
constellation | Pisces |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 1h 42min 29.8sec | DEC: +20° 16' 7'' | ||
position (B1900) | RA: 1h 37min 3.9sec | DEC: +19° 46' 57'' | ||
proper motion (J2000) | RA: -0.296 arcsec/a | DEC: -0.672 arcsec/a | ||
radial velocity | -34 km/s note: suspected variable radial velocity |
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rotational velocity | <19 km/s | |||
trigonometric parallax | 0.119 arcsec | |||
galactic coordinates | longitude: 138.88° | latitude: -41.01° |
magnitude
visual magnitude | 5.24 (V on UBV Johnson system) |
spectral / color information
spectral class | K1V |
B-V-magnitude | 0.84 |
U-B-magnitude | 0.49 |
R-I-magnitude |
variability information
variable star identification | 600 |
double/multiple star system information
number of components of multiple star system | 3 |
separation | 19 arcsec |
mag difference (of double or brightest multiple) | 6.4 |
component ID | AB |
note | Worley (1978) update of the IDS |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 1h 42min 29.765sec | DEC: +20° 16' 6.5'' | ±0.2 arcsec | source: 52 |
proper motion (J2000) | RA: -0.0214 arcsec/a | DEC: -0.681 arcsec/a | source: 25 | |
radial velocity | -34 km/s | source: 25 | ||
trigonometric parallax | 0.119 arcsec | ±0.012 arcsec | source: 25 | |
galactic coord. (B1950) | longitude: 138.89° | latitude: -41.01° |
magnitude:
visual | 5.24 (observed) | source: 25 |
photovisual | 5.3 | source: 2 |
photographic | 6 | source: 16 |
spectral information:
spectral class | G5 | source: 96 | |
Morgan-Keenan | K1V | source: 25 | |
B-magnitude | 6.08 ±0.05 | B-V-magnitude | 0.84 |
U-magnitude | 6.57 ±0.05 | U-B-magnitude | 0.49 |
double/multiple star system information:
separation between brightest and second brightest component | 19 arcsec |
magnitude difference between brightest and second brightest component | 6.4 |
position angle | 248 ° |
sources:
2 | HD and HDE Catalogs |
Cannon, A.J., and E.C. Pickering, Harvard Annals, Vols 91-99, 1918-24, Cambridge, Massachusetts: Harvard University; Cannon, A.J., Harvard Annals, Vol. 100, 1925-36, Cambridge, Massachusetts: Harvard University; and Cannon, A.J., and M. Walton Mayall, Harvard Annals, Vol. 112, 1949, Cambridge, Massachusetts: Harvard University | |
16 | PPM North and PPM South Catalogs and PPM Supplement |
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993 | |
19 | WDS Catalog |
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996 | |
25 | Bright Star Catalogue, 5th edition |
Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994 | |
52 | PPMN-HP subset |
PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H) | |
96 | SAO or HD/HDE Catalog |
Reference from Value 1 or Reference from Value 2 |
data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)
position and proper motion:
position (B1950) | RA: 1h 39min 46.615sec | DEC: +20° 1' 34.34'' | ±0.017 arcsec |
position (J2000) | RA: 1h 42min 29.789sec | DEC: +20° 16' 6.89'' | |
proper motion B1950 (FK4) | RA: -0.0209 arcsec/a | DEC: -0.668 arcsec/a | ±0.002 arcsec/a in RA ±0.002 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: -0.021 arcsec/a | DEC: -0.671 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 5.3 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
spectral class | G5 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | GC, catalogue number: 2080 |
Durchmusterung | BD+19 279 |
Boss General Catalogue | 2080 |
Henry Draper Catalogue | 10476 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
position (J2000) | RA: 1h 42.5min | DEC: +20° 16' |
proper motion (J2000) | RA: -0.302 arcsec/a | DEC: -0.677 arcsec/a |
double/multiple star system information:
component | year | number of measures | position angle | angular separation | magnitude of 1st component | magnitude of 2nd component | spectral class(es) | discoverer code |
AB | 1879 | 5 | 222° | 38.5'' | 5.3 | 11.7 | K1V | HJ 2071 |
1910 | 248° | 19'' | ||||||
AC | 1852 | 10 | 328° | 65.2'' | 5.3 | 12.1 | K1V | HJ 2071 |
1924 | 353° | 104.4'' |
discoverer information:
discoverer code | discoverer | reference |
HJ 2071 | Herschel, J. | - |
notes:
note | 107 Psc. AC: Obviously optical. |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
position (equinox 1950.0) | RA: 1h 39min 46.6sec | DEC: +20° 1' 34'' |
variability informations:
magnitute at max. brightness | 5.14 |
magnitute at min. brightness | 5.26 |
photometric system | visual, photovisual or Johnson's V |
spectral information
spectral class | K1 |
references
to a study | 660820D (designation: BS 493) |